Mizuki, the older married sister, is a perpetually unsatisfied, lustful woman. From morning, she forces her husband into cunnilingus, demanding his loyalty as she selfishly indulges in pleasure, climaxing repeatedly in an intensely erotic display. Even while showering alone, she can't resist touching and stroking her aroused pussy. Still burning with desire, Mizuki captures her husband again for forced cunnilingus. This couple's lewd morning routine of passionate, creampie-filled sex pulls you deep into their whirlpool of desire.